The ICES International Bottom Trawl Survey (IBTS) is a collaboration between several nations (e.g. Scotland, England, Germany, Sweden, Netherlands and Denmark) coordinated by ICES and the IBTS working group. It maps 15 demersal and 3 pelagic fish species to be used in ICES stock assessment programs. Other species living at or near the bottom, including benthos, sampling from hydrographic data as well as litter is registered. Norway has been allocated certain
The Utsira W -Hanstholm - Aberdeen hydrographic cross - section surveying climate and plankton in the North Sea and Skagerrak area. It samples Hydrographic data from regular hydrographical cross-sections as well as water chemistry, plankton, fish eggs and fish larvae as well as microplastic from Utsira West (starting point), Hanstholm (Denmark) to Aberdeen.
Jon Egil Skjæraasen (Institute of Marine Research, Norway)
ICES International Bottom Trawl Survey (IBTS)
International Council for the Exploration of the Sea (ICES)